package com.wjx.demo.number

fun main(args: Array<String>) {
    //三个引号 """ 扩起来的字符串，支持多行字符串
    var s = """
    |skljlsdkfj
    |sldfkjsdlkf
    |sdfdf"""
    println(s)  // 输出有一些前置空格

    var ss = "4"
    println("s is ${ss}")
    println("s length is ${s.length}")
    println("s ${'$'}")   //  等价于s /$
}